![55/64" (0.859) ER40 Super Precision Collet (0.0005" Accuracy or Better) - Part # 40-0859-55/64 - Caliber Tooling](http://www.moorism.top/cdn/shop/products/er_e9b57574-3417-4f84-89e9-2521f724730e_1024x1024.png?v=1594510702)
55/64" (0.859) ER40 Super Precision Collet (0.0005" Accuracy or Better) - Part # 40-0859-55/64
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